Patents by Inventor Joo Yeon SEO

Joo Yeon SEO has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11969397
    Abstract: The present invention relates to a composition for preventing or treating transplantation rejection or a transplantation rejection disease, comprising a novel compound and a calcineurin inhibitor. A co-administration of the present invention 1) reduces the activity of pathogenic Th1 cells or Th17 cells, 2) increases the activity of Treg cells, 3) has an inhibitory effect against side effects, such as tissue damage, occurring in the sole administration thereof, 4) inhibits various pathogenic pathways, 5) inhibits the cell death of inflammatory cells, and 6) increases the activity of mitochondria, in an in vivo or in vitro allogenic model, a transplantation rejection disease model, a skin transplantation model, and a liver-transplanted patient, and thus inhibits transplantation rejection along with mitigating side effects possibly occurring in the administration of a conventional immunosuppressant alone.
    Type: Grant
    Filed: November 7, 2019
    Date of Patent: April 30, 2024
    Assignee: THE CATHOLIC UNIVERSITY OF KOREA INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Mi-La Cho, Dong-Yun Shin, Jong-Young Choi, Chul-Woo Yang, Sung-Hwan Park, Seon-Yeong Lee, Min-Jung Park, Joo-Yeon Jhun, Se-Young Kim, Hyeon-Beom Seo, Jae-Yoon Ryu, Keun-Hyung Cho
  • Patent number: 11872531
    Abstract: The present disclosure provides a fluorine-based resin porous membrane exhibiting high mechanical strength and low heat shrinkage rate while having a fine pore size, and a method for preparing the same.
    Type: Grant
    Filed: October 18, 2019
    Date of Patent: January 16, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Sungjae Han, Joo Yeon Seo, Byeong In Ahn
  • Patent number: 11420162
    Abstract: The present invention provides a method for preparing a porous membrane of a fluorine-based resin having an improved shrinkage while maintaining excellent filtration efficiency and air permeability.
    Type: Grant
    Filed: October 24, 2018
    Date of Patent: August 23, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Joo Yeon Seo, Sungjae Han, Byeong In Ahn
  • Patent number: 11299669
    Abstract: The invention described in the present specification relates to a color conversion film including a resin matrix; and an organic fluorescent substance dispersed in the resin matrix, and absorbing blue or green light and emitting light having a wavelength different from the absorbing light, wherein the resin matrix includes a thermoplastic resin, and the color conversion film has a light emission peak with a FWHM of 60 nm or less, quantum efficiency of 80% or greater and an absorption coefficient of 30,000 M?1cm?1 or greater at a maximum absorption wavelength when irradiating light having a light emission peak at 450 nm, a FWHM of 40 nm or less and monomodal light emission intensity distribution, a method for preparing the same, and a backlight unit including the color conversion film.
    Type: Grant
    Filed: February 1, 2016
    Date of Patent: April 12, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Dong Mok Shin, Sehwan Son, Hoyong Lee, Byeong In Ahn, Du Hyeon Shin, Nari Kim, Ji Ho Kim, Joo Yeon Seo
  • Patent number: 10962705
    Abstract: The invention described in the present specification relates to a color conversion film including a resin matrix; and an organic fluorescent substance, wherein the color conversion film has a light emission peak with FWHM of 70 nm or less when irradiating light having a light emission peak of a 450 nm wavelength, a FWHM of 40 nm or less and monomodal light emission intensity distribution, and a ratio of light emission intensity at 600 nm to light emission intensity at a maximum light emission wavelength is 1:3 or higher, a method for preparing the same, and a back light unit including the color conversion film.
    Type: Grant
    Filed: January 28, 2016
    Date of Patent: March 30, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Dong Mok Shin, Byeong In Ahn, Nari Kim, Ji Ho Kim, Joo Yeon Seo
  • Publication number: 20210039053
    Abstract: The present disclosure provides a fluorine-based resin porous membrane exhibiting high mechanical strength and low heat shrinkage rate while having a fine pore size, and a method for preparing the same.
    Type: Application
    Filed: October 18, 2019
    Publication date: February 11, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Sungjae HAN, Joo Yeon SEO, Byeong In AHN
  • Publication number: 20200298184
    Abstract: The present invention provides a method for preparing a porous membrane of a fluorine-based resin having an improved shrinkage while maintaining excellent filtration efficiency and air permeability.
    Type: Application
    Filed: October 24, 2018
    Publication date: September 24, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Joo Yeon SEO, Sungjae HAN, Byeong In AHN
  • Patent number: 10597581
    Abstract: The invention described in the present specification relates to a color conversion film including a resin matrix; and an organic fluorescent substance dispersed in the resin matrix, wherein the organic fluorescent substance includes a green fluorescent substance having a maximum light emission wavelength in a 510 nm to 560 nm range when irradiating light including a 450 nm wavelength, and a red fluorescent substance having a maximum light emission wavelength in a 600 nm to 660 nm range when irradiating light including a 450 nm wavelength, the green fluorescent substance and the red fluorescent substance have a molar ratio of 5:1 to 50:1, and the color conversion film has a light emission peak with a full width at half maximum (FWHM) of 50 nm or less in a 510 nm to 560 nm range and a light emission peak with a FWHM of 90 nm or less in a 600 nm to 660 nm range when irradiating light, a method for preparing the same, and a backlight unit including the color conversion film.
    Type: Grant
    Filed: February 1, 2016
    Date of Patent: March 24, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Nari Kim, Sehwan Son, Dong Mok Shin, Ji Ho Kim, Joo Yeon Seo, Byeong In Ahn, Du Hyeon Shin
  • Patent number: 10401550
    Abstract: The invention described in the present specification relates to a backlight unit including a light source including a light emission lamp emitting light including a 450 nm wavelength, and an inorganic fluorescent substance provided at least a part of inside or on a surface of the lamp and having a maximum light emission wavelength in a 510 nm to 560 nm range when irradiating light including a 450 nm wavelength; and a color conversion film including an organic fluorescent substance, and having a maximum light emission wavelength in a 610 nm to 660 nm range when irradiating light emitted from the light emission lamp or the inorganic fluorescent substance, and a display apparatus including the same.
    Type: Grant
    Filed: February 1, 2016
    Date of Patent: September 3, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Nari Kim, Byeong In Ahn, Dong Mok Shin, Ji Ho Kim, Joo Yeon Seo
  • Patent number: 10180236
    Abstract: The invention described in the present specification relates to a color conversion film including: a substrate; a color conversion layer provided on the substrate; and a pressure-sensitive adhesive or adhesive layer provided on the color conversion layer, in which the color conversion layer includes an organic fluorescent material dispersed therein and the pressure-sensitive adhesive or adhesive layer includes light diffusion particles dispersed therein, a backlight unit including the same, and a display device including the same.
    Type: Grant
    Filed: December 2, 2016
    Date of Patent: January 15, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Joo Yeon Seo, Byeong In Ahn, Dong Mok Shin, Nari Kim, Seijung Park, Taesung Park, Ji Ho Kim, Hye Mi Oh
  • Patent number: 10131836
    Abstract: The invention described in the present specification relates to a color conversion film including a resin matrix; and an organic fluorescent substance, wherein the organic fluorescent substance includes a first fluorescent substance and a second fluorescent substance, and the first fluorescent substance has a light emission peak with FWHM of 60 nm or less and a Stokes shift of 30 nm or less when irradiating light having a light emission peak at 450 nm, a FWHM of 40 nm or less and monomodal light emission intensity distribution, a method for preparing the same, and a back light unit including the color conversion film.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: November 20, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Dong Mok Shin, Byeong In Ahn, Nari Kim, Hoyong Lee, Ji Ho Kim, Joo Yeon Seo
  • Patent number: 10112368
    Abstract: This disclosure relates to a flexible metal laminate including: a porous polyimide resin layer including 30 wt % to 95 wt % of a polyimide resin; and 5 to 70 wt % of a hollow fluorinated resin having a mean outer diameter of 0.1 ?m to 10.0 ?m.
    Type: Grant
    Filed: September 4, 2015
    Date of Patent: October 30, 2018
    Assignee: SHENGYI TECHNOLOGY CO., LTD.
    Inventors: Si Young Park, Soon Yong Park, Young Seok Park, Joo Yeon Seo
  • Publication number: 20170267921
    Abstract: The invention described in the present specification relates to a color conversion film including a resin matrix; and an organic fluorescent substance dispersed in the resin matrix, and absorbing blue or green light and emitting light having a wavelength different from the absorbing light, wherein the resin matrix includes a thermoplastic resin, and the color conversion film has a light emission peak with a FWHM of 60 nm or less, quantum efficiency of 80% or greater and an absorption coefficient of 30,000 M?1cm?1 or greater at a maximum absorption wavelength when irradiating light having a light emission peak at 450 nm, a FWHM of 40 nm or less and monomodal light emission intensity distribution, a method for preparing the same, and a backlight unit including the color conversion film.
    Type: Application
    Filed: February 1, 2016
    Publication date: September 21, 2017
    Applicant: LG CHEM, LTD.
    Inventors: Dong Mok SHIN, Sehwan SON, Hoyong LEE, Byeong In AHN, Du Hyeon SHIN, Nari KIM, Ji Ho KIM, Joo Yeon SEO
  • Publication number: 20170261673
    Abstract: The invention described in the present specification relates to a backlight unit including a light source including a light emission lamp emitting light including a 450 nm wavelength, and an inorganic fluorescent substance provided at least a part of inside or on a surface of the lamp and having a maximum light emission wavelength in a 510 nm to 560 nm range when irradiating light including a 450 nm wavelength; and a color conversion film including an organic fluorescent substance, and having a maximum light emission wavelength in a 610 nm to 660 nm range when irradiating light emitted from the light emission lamp or the inorganic fluorescent substance, and a display apparatus including the same.
    Type: Application
    Filed: February 1, 2016
    Publication date: September 14, 2017
    Inventors: Nari KIM, Byeong In AHN, Dong Mok SHIN, Ji Ho KIM, Joo Yeon SEO
  • Publication number: 20170247610
    Abstract: The invention described in the present specification relates to a color conversion film including a resin matrix; and an organic fluorescent substance dispersed in the resin matrix, wherein the organic fluorescent substance includes a green fluorescent substance having a maximum light emission wavelength in a 510 nm to 560 nm range when irradiating light including a 450 nm wavelength, and a red fluorescent substance having a maximum light emission wavelength in a 600 nm to 660 nm range when irradiating light including a 450 nm wavelength, the green fluorescent substance and the red fluorescent substance have a molar ratio of 5:1 to 50:1, and the color conversion film has a light emission peak with a full width at half maximum (FWHM) of 50 nm or less in a 510 nm to 560 nm range and a light emission peak with a FWHM of 90 nm or less in a 600 nm to 660 nm range when irradiating light, a method for preparing the same, and a backlight unit including the color conversion film.
    Type: Application
    Filed: February 1, 2016
    Publication date: August 31, 2017
    Inventors: Nari KIM, Sehwan SON, Dong Mok SHIN, Ji Ho KIM, Joo Yeon SEO, Byeong In AHN, Du Hyeon SHIN
  • Publication number: 20170159910
    Abstract: The invention described in the present specification relates to a color conversion film including: a substrate; a color conversion layer provided on the substrate; and a pressure-sensitive adhesive or adhesive layer provided on the color conversion layer, in which the color conversion layer includes an organic fluorescent material dispersed therein and the pressure-sensitive adhesive or adhesive layer includes light diffusion particles dispersed therein, a backlight unit including the same, and a display device including the same.
    Type: Application
    Filed: December 2, 2016
    Publication date: June 8, 2017
    Inventors: Joo Yeon SEO, Byeong In Ahn, Dong Mok Shin, Nari Kim, Seijing Park, Taesung Park, Ji Ho Kim, Hye Mi Oh
  • Publication number: 20160375657
    Abstract: This disclosure relates to a flexible metal laminate including: a porous polyimide resin layer including 30 wt % to 95 wt % of a polyimide resin; and 5 to 70 wt % of a hollow fluorinated resin having a mean outer diameter of 0.1 ?m to 10.0 ?m.
    Type: Application
    Filed: September 4, 2015
    Publication date: December 29, 2016
    Applicant: LG CHEM, LTD.
    Inventors: Si Young PARK, Soon Yong PARK, Young Seok PARK, Joo Yeon SEO
  • Publication number: 20160230961
    Abstract: The invention described in the present specification relates to a color conversion film including a color conversion layer including a resin matrix; and an organic fluorescent substance dispersed in the resin matrix, and absorbing blue or green light and emitting light having a wavelength different from the absorbing light; and an adhesive layer provided on at least one surface of the color conversion layer, and including a curing material of a radical polymerizable compound having a molecular weight of 300 or higher prior to curing, and a back light unit and a display apparatus including the same.
    Type: Application
    Filed: February 4, 2016
    Publication date: August 11, 2016
    Inventors: Joo Yeon Seo, Kwang Seung Park, Byeong In Ahn, Dong Mok Shin, Nari Kim, Ji Ho Kim
  • Publication number: 20160223162
    Abstract: The invention described in the present specification relates to a color conversion film including a resin matrix; and an organic fluorescent substance, wherein the organic fluorescent substance includes a first fluorescent substance and a second fluorescent substance, and the first fluorescent substance has a light emission peak with FWHM of 60 nm or less and a Stokes shift of 30 nm or less when irradiating light having a light emission peak at 450 nm, a FWHM of 40 nm or less and monomodal light emission intensity distribution, a method for preparing the same, and a back light unit including the color conversion film.
    Type: Application
    Filed: January 29, 2016
    Publication date: August 4, 2016
    Inventors: Dong Mok SHIN, Byeong In AHN, Nari KIM, Hoyong LEE, Ji Ho KIM, Joo Yeon SEO
  • Publication number: 20160223728
    Abstract: The invention described in the present specification relates to a color conversion film including a resin matrix; and an organic fluorescent substance, wherein the color conversion film has a light emission peak with FWHM of 70 nm or less when irradiating light having a light emission peak of a 450 nm wavelength, a FWHM of 40 nm or less and monomodal light emission intensity distribution, and a ratio of light emission intensity at 600 nm to light emission intensity at a maximum light emission wavelength is 1:3 or higher, a method for preparing the same, and a back light unit including the color conversion film.
    Type: Application
    Filed: January 28, 2016
    Publication date: August 4, 2016
    Inventors: Dong Mok SHIN, Byeong In AHN, Nari KIM, Ji Ho KIM, Joo Yeon SEO